and mitt romney in the campaign rally in denver, colorado. later, president obama joins supporters at a campaign rally in las vegas. >> arnie duncan is at the national press club on tuesday to discuss the state of american education. he will address changes over the last four years and look ahead. see it live at 1:00 p.m. eastern on our companion network, c-span3. next, look at the presidential campaign and libertarian party candidate, gary johnson. the former governor of new mexico talks about his view of the tea party system and obstacles for third-party candidates. from "washington journal", this is 40 minutes. >> we are now with gary johnson, the former governor of new mexico. 1995 to 2003, the libertarian presidential nominee and gary johnson's first question, when you look at the major party candidate in this year's cycle, what is missing in the debate and dialogue and what you bring to the table? >> well, how about the truth, for starters, the notion that both obama and romney are arguing over who is going to spend more money on medica